src/cpu/sparc/vm/vm_version_sparc.cpp
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7059034 Cdiff src/cpu/sparc/vm/vm_version_sparc.cpp
src/cpu/sparc/vm/vm_version_sparc.cpp
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*** 142,151 ****
--- 142,163 ----
(!has_hardware_fsmuld() ? ", no-fsmuld" : ""));
// buf is started with ", " or is empty
_features_str = strdup(strlen(buf) > 2 ? buf + 2 : buf);
+ // UseVIS is set to the smallest of what hardware supports and what
+ // the command line requires. I.e., you cannot set UseVIS to 3 on
+ // older UltraSparc which do not support it.
+ if( UseVIS > 3 ) UseVIS=3;
+ if( UseVIS < 0 ) UseVIS=0;
+ if( !has_vis3() ) // Drop to 2 if no VIS3 support
+ UseVIS = MIN2((intx)2,UseVIS);
+ if( !has_vis2() ) // Drop to 1 if no VIS2 support
+ UseVIS = MIN2((intx)1,UseVIS);
+ if( !has_vis1() ) // Drop to 0 if no VIS1 support
+ UseVIS = 0;
+
#ifndef PRODUCT
if (PrintMiscellaneous && Verbose) {
tty->print("Allocation: ");
if (AllocatePrefetchStyle <= 0) {
tty->print_cr("no prefetching");
src/cpu/sparc/vm/vm_version_sparc.cpp
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